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Principal Firmware Engineer

USA - CA - San Jose (Ridder)💼 Full-time💰 $134,750–$134,750🗓 2026-08-05 → 2026-09-26

Core

Lead architecture, design, and development of embedded firmware for advanced optical and photonic systems, including board bring-up, low-level drivers, and system reliability.

Role type

Principal Firmware Engineer (Embedded Systems/Optical)

Builds

Embedded firmware for MCU/MPU-based systems supporting optical/laser/telecom high-reliability systems

Domain

Optical and photonic systems, telecommunications, data centers

Deliverable

production ML models | product features | infrastructure

Required skills

C/C++ for embedded systems, RTOS development (FreeRTOS), Bare-metal firmware, board bring-up and debugging, digital interfaces (I2C/SPI/UART/GPIO/ADC/DMA), optical component control (PIDs, APC loops, thermal control), system reliability and diagnostics, technical leadership

Preferred skills

Optical transceiver module firmware development, CMIS (Common Management Interface Specification) implementation, manufacturing test flow support, Python scripting for calibration tooling

Technologies

C, C++, Python, FreeRTOS, GIT, Segger IDE, JTAG/SWD, logic analyzer, oscilloscope, optical power meter, optical wavemeter

Responsibilities

Own firmware architecture and technical roadmap; lead end-to-end firmware development lifecycle; define interfaces across firmware, hardware, FPGA, and host software; drive system reliability and quality; lead design reviews and root-cause analysis; collaborate cross-functionally with hardware, systems, and manufacturing teams

Seniority

Principal, hands-on IC with strategic leadership

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